{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["payment method", "attack pattern", "price", "tool", "damage amount", "time", "attacker", "victim"]}], "input": "For the second time in three years , the school district is the target of a ransomware attack — a particularly virulent computer malware that spreads from computer to computer , locking up access to network servers and turning documents into gibberish before offering \" help \" in the form of a request for payment to provide a \" key \" to unlock the files ."}
{"ransom": [{"payment method": "NAN", "attack pattern": "NAN", "price": "NAN", "tool": "computer malware", "damage amount": "NAN", "time": "NAN", "attacker": "NAN", "victim": "the school district"}]}